Home / 70,481,879,198.75-97,265,003,786.91-38,367,485,150.30

Finding the Fourth Proportional to 70,481,879,198.75, 97,265,003,786.91 and 38,367,485,150.30

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Solution

The fourth proportional to 70,481,879,198.75, 97,265,003,786.91 and 38,367,485,150.30 is: 52,947,135,219.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,481,879,198.75 : 97,265,003,786.91 = 38,367,485,150.30 : x
  2. Step 2: Convert to fraction form
    70,481,879,198.75/97,265,003,786.91 = 38,367,485,150.30/x
  3. Step 3: Cross multiply
    70,481,879,198.75x = 97,265,003,786.91 × 38,367,485,150.30
  4. Step 4: Simplify right side
    70,481,879,198.75x = 3,731,813,588,438,045,687,808
  5. Step 5: Solve for x
    x = 3,731,813,588,438,045,687,808/70,481,879,198.75
  6. Step 6: Final answer
    x = 52,947,135,219.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.